Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
経済学 けいざいがく economicsmix
投入 とうにゅう (1)throwing (e.g. something into somewhere), (2)investment, putting in (personnel, etc.), (3)release of a product, (4)making (an electrical circuit) suru
学ぶ まなぶ učit segakkou, godan, leda1, verb
断る ことわる (1)to refuse, to reject, to dismiss, to turn down, to decline, (2)to inform, to give notice, to tell in advance, (3)to ask leave, to excuse oneself (from) godan, jlpt3, verb, vtrans
不良 ふりょう badness, inferiority, delinquency, failure, defect, blemishmix